.\"	$NetBSD: newfs_sysvbfs.8,v 1.6 2016/09/12 05:11:53 sevan Exp $
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.\"     @(#)newlfs.8	8.1 (Berkeley) 6/19/93
.\"
.Dd September 12, 2016
.Dt NEWFS_SYSVBFS 8
.Os
.Sh NAME
.Nm newfs_sysvbfs
.Nd construct a new System V Boot File System
.Sh SYNOPSIS
.Nm
.Op Fl FZ
.Op Fl s Ar sectors
.Ar special
.Sh DESCRIPTION
.Nm
builds a System V boot file system on the specified special.
If it is a device, the size information will be taken from the disk label and
before running
.Nm
the disk must be labeled using
.Xr disklabel 8 ;
the proper fstype is
.Dq SysVBFS .
Otherwise, the size must be specified on the command line.
.Pp
The following arguments are supported:
.Bl -tag -width Fl
.It Fl F
Create file system to a regular file.
.It Fl s Ar sectors
Create file system with specified number of disk sectors.
.It Fl Z
Fill file with zeroes instead of creating a sparse file.
.El
.Sh SEE ALSO
.Xr disklabel 5 ,
.Xr disktab 5 ,
.\" .Xr fs 5 ,
.Xr disklabel 8 ,
.Xr diskpart 8
.Sh HISTORY
A
.Nm
command first appeared in
.Nx 4.0 .
.Sh AUTHORS
.An UCHIYAMA Yasushi Aq Mt uch@NetBSD.org .
.Sh BUGS
The sysvbfs support is still experimental and there are few sanity checks.